- Oceanic trench
- Batesian mimicry
- Distilled water
- Disruptive colouration
- Enhanced oil recovery
- Infusion
- Proctoscopy
- Valine
- Voyager 2
- Homozygote
- Semaphore
- Mauritian flying fox
- Shoemaker-Levy 9 comet
- CME
- HDMI
- Auditory evoked potential
- Proboscis
- Deuterostome
- Desorption
- Deimos
- Elongation
- Apron
- The Darvaza gateway to hell
- Ethernet
- Capsid
- Phytoremediation
- Yarkovsky effect
- Linux
- Cracking
- Gas giant